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Add priority & stack_size param parsing for dlmodule

This commit is contained in:
tonyzheng-rockchip 2020-01-03 09:23:44 +08:00
parent 04c20bc8ed
commit 1f5118f7dd
1 changed files with 34 additions and 0 deletions
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34
components/libc/libdl/dlelf.c
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@ -226,6 +226,40 @@ rt_err_t dlmodule_load_shared_object(struct rt_dlmodule* module, void *module_pt
length);
count ++;
}
/* get priority & stack size params*/
rt_uint32_t flag = 0;
rt_uint16_t priority;
rt_uint32_t stacksize;
for (i = 0; i < shdr[index].sh_size / sizeof(Elf32_Sym); i++)
{
if (((flag & 0x01) == 0) &&
(rt_strcmp((const char *)(strtab + symtab[i].st_name), "dlmodule_thread_priority") == 0))
{
flag |= 0x01;
priority = *(rt_uint16_t*)(module->mem_space + symtab[i].st_value - module->vstart_addr);
if (priority < RT_THREAD_PRIORITY_MAX)
{
module->priority = priority;
}
}
if (((flag & 0x02) == 0) &&
(rt_strcmp((const char *)(strtab + symtab[i].st_name), "dlmodule_thread_stacksize") == 0))
{
flag |= 0x02;
stacksize = *(rt_uint32_t*)(module->mem_space + symtab[i].st_value - module->vstart_addr);
if ((stacksize < 2048) || (stacksize > 1024 * 32))
{
module->stack_size = stacksize;
}
}
if ((flag & 0x03) == 0x03)
{
break;
}
}
}
return RT_EOK;